hello @ecrook welcome to the forum 
you are missing the required support template. Please fill this form out and edit into your post. This will give us the technical info and logs needed to help you in case the machine in question in spitting out errors! Since you’ve provided zero technical details it is impossible to help you as-is. Thanks.
Your question is likely answered in Nextcloud Collabora integration
Please use the search - lot of issues have been discussed already